A Subgroup of a Direct Product of Free Groups whose Dehn Function has a Cubic Lower Bound
arXiv:0708.0758
Abstract
We establish a cubic lower bound on the Dehn function of a certain finitely presented subgroup of a direct product of 3 free groups.
9 pages, 1 figure. Minor modifications only: typos corrected, scope of Theorem 5.1 reduced to simplify notation, bibliography updated